Re: In kvm, a single process cannot allocate more than 3.6GB ram. Why?

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On 12/13/09 12:04, Avi Kivity wrote:
> On 12/12/2009 12:11 PM, Tanel Kokk wrote:
>>
>> [root@lu2-kvm-db1 ~]# cat /proc/meminfo
>> MemTotal:       10267308 kB
>> MemFree:          228944 kB
>> Buffers:           19680 kB
>> Cached:          6069524 kB
>> SwapCached:            0 kB
>> Active:          8175200 kB
>> Inactive:        1374884 kB
>> Active(anon):    3238044 kB
>> Inactive(anon):   544104 kB
>> Active(file):    4937156 kB
>> Inactive(file):   830780 kB
>> Unevictable:           0 kB
>> Mlocked:               0 kB
>> SwapTotal:             0 kB
>> SwapFree:              0 kB
>> Dirty:             15968 kB
>> Writeback:             0 kB
>> AnonPages:       3461108 kB
>> Mapped:           327816 kB
>> Slab:             171452 kB
>> SReclaimable:     121756 kB
>> SUnreclaim:        49696 kB
>> PageTables:       244268 kB
>> NFS_Unstable:          0 kB
>> Bounce:                0 kB
>> WritebackTmp:          0 kB
>> CommitLimit:     8727208 kB
>> Committed_AS:    6056168 kB
>> VmallocTotal:   34359738367 kB
>> VmallocUsed:       38180 kB
>> VmallocChunk:   34359645255 kB
>> DirectMap4k:        4032 kB
>> DirectMap2M:    10481664 kB
>>    
> 
> What guest kernel is this?  What's the value of the guest's
> /proc/sys/vm/overcommit_memory?
> 

[root@lu2-kvm-db1 ~]# uname -a
Linux lu2-kvm-db1 2.6.30.7 #1 SMP Mon Sep 21 17:39:41 UTC 2009 x86_64
GNU/Linux

[root@lu2-kvm-db1 ~]# cat /proc/sys/vm/overcommit_memory
2


Tanel

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